| Message ID | 1399629542-32387-2-git-send-email-shc_work@mail.ru (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, May 09, 2014 at 01:59:01PM +0400, Alexander Shiyan wrote: > This patch adds devicetree support CCM module for i.MX1 (MC9328MX1) CPUs. > > Signed-off-by: Alexander Shiyan <shc_work@mail.ru> > --- > .../devicetree/bindings/clock/imx1-clock.txt | 46 ++++++++++++++++++++++ > arch/arm/mach-imx/clk-imx1.c | 10 ++++- > 2 files changed, 55 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/clock/imx1-clock.txt > > diff --git a/Documentation/devicetree/bindings/clock/imx1-clock.txt b/Documentation/devicetree/bindings/clock/imx1-clock.txt > new file mode 100644 > index 0000000..f66fe37 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/imx1-clock.txt Can we meld this for i.MX1 into this patch?: commit 490dd8808a8baa093ac3b2bfc2f66f798599bb2c Author: Lucas Stach <l.stach@pengutronix.de> Date: Thu Nov 14 11:18:57 2013 +0100 ARM: imx5: introduce DT includes for clock provider Use clock defines in order to make devicetrees more human readable. Sascha
Mon, 12 May 2014 07:13:08 +0200 ?? Sascha Hauer <s.hauer@pengutronix.de>: > On Fri, May 09, 2014 at 01:59:01PM +0400, Alexander Shiyan wrote: > > This patch adds devicetree support CCM module for i.MX1 (MC9328MX1) CPUs. > > > > Signed-off-by: Alexander Shiyan <shc_work@mail.ru> > > --- > > .../devicetree/bindings/clock/imx1-clock.txt | 46 ++++++++++++++++++++++ > > arch/arm/mach-imx/clk-imx1.c | 10 ++++- > > 2 files changed, 55 insertions(+), 1 deletion(-) > > create mode 100644 Documentation/devicetree/bindings/clock/imx1-clock.txt > > > > diff --git a/Documentation/devicetree/bindings/clock/imx1-clock.txt b/Documentation/devicetree/bindings/clock/imx1-clock.txt > > new file mode 100644 > > index 0000000..f66fe37 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/clock/imx1-clock.txt > > Can we meld this for i.MX1 into this patch?: > > commit 490dd8808a8baa093ac3b2bfc2f66f798599bb2c > Author: Lucas Stach <l.stach@pengutronix.de> > Date: Thu Nov 14 11:18:57 2013 +0100 > > ARM: imx5: introduce DT includes for clock provider > > Use clock defines in order to make devicetrees more > human readable. Yes, I will prepare another series with the bindings. In any case I would like to update this patch series. ---
diff --git a/Documentation/devicetree/bindings/clock/imx1-clock.txt b/Documentation/devicetree/bindings/clock/imx1-clock.txt new file mode 100644 index 0000000..f66fe37 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx1-clock.txt @@ -0,0 +1,46 @@ +* Clock bindings for Freescale i.MX1 + +Required properties: +- compatible: Should be "fsl,imx1-ccm". +- reg: Address and length of the register set. +- interrupts: Should contain CCM interrupt. +- #clock-cells: Should be <1>. + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX1 +clocks and IDs. + + Clock ID + --------------------------- + dummy 0 + clk32 1 + clk16m_ext 2 + clk16m 3 + clk32_premult 4 + prem 5 + mpll 6 + mpll_gate 7 + spll 8 + spll_gate 9 + mcu 10 + fclk 11 + hclk 12 + clk48m 13 + per1 14 + per2 15 + per3 16 + clko 17 + uart3_gate 18 + ssi2_gate 19 + brom_gate 20 + dma_gate 21 + csi_gate 22 + mma_gate 23 + usbd_gate 24 + +Examples: + clks: ccm@0021b000 { + compatible = "fsl,imx1-ccm"; + reg = <0x0021b000 0x1000>; + interrupts = <59>; + }; diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c index 602b30a..d13dce4 100644 --- a/arch/arm/mach-imx/clk-imx1.c +++ b/arch/arm/mach-imx/clk-imx1.c @@ -20,7 +20,9 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/clkdev.h> +#include <linux/clk-provider.h> #include <linux/err.h> +#include <linux/of.h> #include "clk.h" #include "common.h" @@ -57,7 +59,7 @@ int __init mx1_clocks_init(unsigned long fref) int i; clk[dummy] = imx_clk_fixed("dummy", 0); - clk[clk32] = imx_clk_fixed("clk32", fref); + clk[clk32] = imx_obtain_fixed_clock("clk32", fref); clk[clk16m_ext] = imx_clk_fixed("clk16m_ext", 16000000); clk[clk16m] = imx_clk_gate("clk16m", "clk16m_ext", CCM_CSCR, 17); clk[clk32_premult] = imx_clk_fixed_factor("clk32_premult", "clk32", 512, 1); @@ -120,3 +122,9 @@ int __init mx1_clocks_init(unsigned long fref) return 0; } + +static void __init mx1_clocks_init_dt(struct device_node *np) +{ + mx1_clocks_init(32768); +} +CLK_OF_DECLARE(imx1_ccm, "fsl,imx1-ccm", mx1_clocks_init_dt);
This patch adds devicetree support CCM module for i.MX1 (MC9328MX1) CPUs. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> --- .../devicetree/bindings/clock/imx1-clock.txt | 46 ++++++++++++++++++++++ arch/arm/mach-imx/clk-imx1.c | 10 ++++- 2 files changed, 55 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/clock/imx1-clock.txt